// JScript File

function disableButton() {	
	window.setTimeout("enableButton('" + window.event.srcElement.id + "')", 0);
}			            
function enableButton(buttonID) {
	document.getElementById(buttonID).disabled=true;         
}	

  function checkMail(email)
  {	
	  var x = email.value;
	  if (x.length == 0) {return false;}
	  var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
      if (filter.test(x)) 
      { return true;}
      else{
          alert("Sorry, '" + x + "' is not a valid email address. Please try again.");
          email.select();
          email.focus();
          return false;
     }		
  }

    function openwindow(stropen,wd,hg) 
	{
	    window.open(stropen,'networks',"resizable=no,scrollbars=yes, width=550,height=400");
	}